Cost-Aware Design — Making Mechanics Actionable
Synthesize the mechanics from Chapters 1–16 into a repeatable framework for designing APIs and components that preserve compiler/runtime optimization opportunities.
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What this chapter teaches
Optimize later; design for readability first and performance is a separate phase.
the mechanics from Chapters 1–16 are design-time levers. A few structural choices (concrete hot paths, value semantics, bounded data, pointer-free layouts) decide allocation and dispatch cost before a profiler ever runs.
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